For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningInstrument Panel Outer Air Outlet Replacement - Left Side
Preliminary Procedure
Remove instrument panel lower trim pad cover - left side. Refer to
Instrument Panel Lower Trim Pad Cover Replacement.
Remove instrument panel cluster trim plate. Refer to Instrument Panel
Cluster Trim Plate Replacement.
Remove instrument panel cluster lo ...
Information Displays
Driver Information Center (DIC)
The DIC displays information about your vehicle. It also displays warning messages
if a system problem is detected.
DIC Operation and Displays
The DIC has different displays which can be accessed by using the DIC buttons
on the turn signal lever.
The DIC displ ...
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR Disabling and Enabling.
Disconnect the negative battery cable. Refer ...